diff --git a/app/main.css b/app/main.css
index 4082c67a..e4f5e919 100644
--- a/app/main.css
+++ b/app/main.css
@@ -71,8 +71,7 @@ body {
 
 .checkbox > label::before {
   /* @apply bg-grey-10; */
-  border-width: 1px;
-
+  @apply border-default;
   @apply rounded-sm;
 
   content: '';
@@ -314,8 +313,7 @@ select {
 
   @screen md {
     .main > section {
-      border-width: 1px;
-
+      @apply border-default;
       @apply border-grey-80;
     }
   }
diff --git a/app/ui/account.js b/app/ui/account.js
index 3ceaf536..9845a3a1 100644
--- a/app/ui/account.js
+++ b/app/ui/account.js
@@ -83,7 +83,7 @@ class Account extends Component {
         <input
           type="image"
           alt="${user.email}"
-          class="w-8 h-8 rounded-full border text-primary md:text-white focus:outline"
+          class="w-8 h-8 rounded-full border-default text-primary md:text-white focus:outline"
           src="${user.avatar}"
           onclick="${e => this.avatarClick(e)}"
         />
diff --git a/app/ui/archiveTile.js b/app/ui/archiveTile.js
index 505b7f15..eee78a40 100644
--- a/app/ui/archiveTile.js
+++ b/app/ui/archiveTile.js
@@ -53,7 +53,7 @@ function password(state) {
           id="password-input"
           class="${state.archive.password
             ? ''
-            : 'invisible'} border rounded focus:border-primary leading-normal my-1 py-1 px-2 h-8 dark:bg-grey-80"
+            : 'invisible'} border-default rounded-default focus:border-primary leading-normal my-1 py-1 px-2 h-8 dark:bg-grey-80"
           autocomplete="off"
           maxlength="${MAX_LENGTH}"
           type="password"
@@ -261,7 +261,7 @@ module.exports = function(state, emit, archive) {
   return html`
     <send-archive
       id="archive-${archive.id}"
-      class="flex flex-col items-start rounded shadow-light bg-white p-4 w-full dark:bg-grey-90 dark:border dark:border-grey-70"
+      class="flex flex-col items-start rounded-default shadow-light bg-white p-4 w-full dark:bg-grey-90 dark:border-default dark:border-grey-70"
     >
       ${archiveInfo(
         archive,
@@ -335,7 +335,7 @@ module.exports.wip = function(state, emit) {
             fileInfo(f, remove(f, state.translate('deleteButtonHover')))
           ),
         'flex-shrink bg-grey-10 rounded-t overflow-y-auto px-6 py-4 md:h-full md:max-h-half-screen dark:bg-black',
-        'bg-white px-2 my-2 shadow-light rounded dark:bg-grey-90 dark:border dark:border-grey-80'
+        'bg-white px-2 my-2 shadow-light rounded-default dark:bg-grey-90 dark:border-default dark:border-grey-80'
       )}
       <div
         class="flex-shrink-0 flex-grow flex items-end p-4 bg-grey-10 rounded-b mb-1 font-medium dark:bg-grey-90"
@@ -438,7 +438,7 @@ module.exports.uploading = function(state, emit) {
   return html`
     <send-upload-area
       id="${archive.id}"
-      class="flex flex-col items-start rounded shadow-light bg-white p-4 w-full dark:bg-grey-90"
+      class="flex flex-col items-start rounded-default shadow-light bg-white p-4 w-full dark:bg-grey-90"
     >
       ${archiveInfo(archive)}
       <div class="text-xs opacity-75 w-full mt-2 mb-2">
@@ -488,7 +488,7 @@ module.exports.empty = function(state, emit) {
         `;
   return html`
     <send-upload-area
-      class="flex flex-col items-center justify-center border-2 border-dashed border-grey-transparent rounded px-6 py-16 h-full w-full dark:border-grey-60"
+      class="flex flex-col items-center justify-center border-2 border-dashed border-grey-transparent rounded-default px-6 py-16 h-full w-full dark:border-grey-60"
       onclick="${e => {
         if (e.target.tagName !== 'LABEL') {
           document.getElementById('file-upload').click();
@@ -563,7 +563,7 @@ module.exports.preview = function(state, emit) {
     <send-archive
       class="flex flex-col max-h-full bg-white p-4 w-full md:w-128 dark:bg-grey-90"
     >
-      <div class="border rounded py-3 px-6 dark:border-grey-70">
+      <div class="border-default rounded-default py-3 px-6 dark:border-grey-70">
         ${archiveInfo(archive)} ${details}
       </div>
       <button
@@ -590,7 +590,7 @@ module.exports.downloading = function(state) {
   const progressPercent = percent(progress);
   return html`
     <send-archive
-      class="flex flex-col bg-white rounded shadow-light p-4 w-full max-w-sm md:w-128 dark:bg-grey-90"
+      class="flex flex-col bg-white rounded-default shadow-light p-4 w-full max-w-sm md:w-128 dark:bg-grey-90"
     >
       ${archiveInfo(archive)}
       <div class="link-primary text-sm font-medium mt-2">
diff --git a/app/ui/copyDialog.js b/app/ui/copyDialog.js
index 4fbe471e..5f1f779e 100644
--- a/app/ui/copyDialog.js
+++ b/app/ui/copyDialog.js
@@ -21,7 +21,7 @@ module.exports = function(name, url) {
           <input
             type="text"
             id="share-url"
-            class="block w-full my-4 border rounded-lg leading-loose h-12 px-2 py-1 dark:bg-grey-80"
+            class="block w-full my-4 border-default rounded-lg leading-loose h-12 px-2 py-1 dark:bg-grey-80"
             value="${url}"
             readonly="true"
           />
diff --git a/app/ui/noStreams.js b/app/ui/noStreams.js
index 330215df..c3bc8673 100644
--- a/app/ui/noStreams.js
+++ b/app/ui/noStreams.js
@@ -12,12 +12,12 @@ module.exports = function(state, emit) {
         'downloadTitle'
       )}</h1>
       <p
-        class="w-full p-2 border border-yellow-50 rounded md:w-4/5 text-orange-60 bg-yellow-40 text-center leading-normal"
+        class="w-full p-2 border-default border-yellow-50 rounded-default md:w-4/5 text-orange-60 bg-yellow-40 text-center leading-normal"
       >
         ⚠️ ${state.translate('noStreamsWarning')} ⚠️
       </p>
       <form class="md:w-128" onsubmit=${submit}>
-        <fieldset class="border rounded p-4 my-4" onchange=${optionChanged}>
+        <fieldset class="border-default rounded-default p-4 my-4" onchange=${optionChanged}>
           <div class="flex items-center mb-2">
             <svg class="h-8 w-6 mr-3 flex-shrink-0 text-primary">
               <use xlink:href="${assets.get('blue_file.svg')}#icon"/>
diff --git a/app/ui/selectbox.js b/app/ui/selectbox.js
index d05033f5..836332b8 100644
--- a/app/ui/selectbox.js
+++ b/app/ui/selectbox.js
@@ -18,7 +18,7 @@ module.exports = function(selected, options, translate, changed, htmlId) {
   return html`
     <select
       id="${htmlId}"
-      class="appearance-none cursor-pointer border rounded bg-grey-10 hover:border-primary focus:border-primary pl-1 pr-8 py-1 my-1 h-8 dark:bg-grey-80"
+      class="appearance-none cursor-pointer border-default rounded-default bg-grey-10 hover:border-primary focus:border-primary pl-1 pr-8 py-1 my-1 h-8 dark:bg-grey-80"
       data-selected="${selected}"
       onchange="${choose}"
     >
diff --git a/app/ui/shareDialog.js b/app/ui/shareDialog.js
index 75c7912b..86b17bd7 100644
--- a/app/ui/shareDialog.js
+++ b/app/ui/shareDialog.js
@@ -18,7 +18,7 @@ module.exports = function(name, url) {
         <input
           type="text"
           id="share-url"
-          class="w-full my-4 border rounded-lg leading-loose h-12 px-2 py-1 dark:bg-grey-80"
+          class="w-full my-4 border-default rounded-lg leading-loose h-12 px-2 py-1 dark:bg-grey-80"
           value="${url}"
           readonly="true"
         />
diff --git a/app/ui/signupDialog.js b/app/ui/signupDialog.js
index 32860df2..596e446f 100644
--- a/app/ui/signupDialog.js
+++ b/app/ui/signupDialog.js
@@ -35,7 +35,7 @@ module.exports = function() {
             <input
               id="email-input"
               type="email"
-              class="hidden border rounded-lg w-full px-2 py-1 h-12 mb-3 text-lg text-grey-70 leading-loose dark:bg-grey-80 dark:text-white"
+              class="hidden border-default rounded-lg w-full px-2 py-1 h-12 mb-3 text-lg text-grey-70 leading-loose dark:bg-grey-80 dark:text-white"
               placeholder=${state.translate('emailPlaceholder')}
             />
             <input
diff --git a/app/ui/unsupported.js b/app/ui/unsupported.js
index 172d8fa4..97a1eb5a 100644
--- a/app/ui/unsupported.js
+++ b/app/ui/unsupported.js
@@ -27,7 +27,7 @@ module.exports = function(state, emit) {
     <main class="main">
       ${state.modal && modal(state, emit)}
       <section
-        class="flex flex-col items-center justify-center text-center bg-white m-6 px-6 py-8 border border-grey-30 md:border-none md:px-12 md:py-16 shadow w-full md:h-full dark:bg-grey-90"
+        class="flex flex-col items-center justify-center text-center bg-white m-6 px-6 py-8 border-default border-grey-30 md:border-none md:px-12 md:py-16 shadow-default w-full md:h-full dark:bg-grey-90"
       >
         <h1 class="text-3xl font-bold">${strings.header}</h1>
         <p class="mt-4 mb-8 max-w-md leading-normal">${strings.description}</p>